W.R. Meadows of Canada Company and 3006331 Nova Scotia Company - Environmental Compliance Approval (air)

Instrument type: Environmental Compliance Approval (air)

ERO number
025-1048
Ministry reference number
6676-DJUPXU
Notice type
Instrument
Act
Environmental Protection Act, R.S.O. 1990
Posted by
Ministry of the Environment, Conservation and Parks
Notice stage
Proposal
Proposal posted
Comment period
September 24, 2025 - November 8, 2025 (45 days) Open
Last updated

This consultation closes at 11:59 p.m. on:
November 8, 2025

Proposal summary

This proposal is for an Environmental Compliance Approval with Limited Operational Flexibility (air) which replaces all the current Environmental Compliance Approvals for Air at this facility and includes the addition of new or historically unapproved sources for all emissions from W.R. Meadows of Canada Company and 3006331 Nova Scotia Company.

Location details

Site address

70 Hannant Court
Milton, ON
Canada

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Proponent(s)

W.R. Meadows of Canada Company and 3006331 Nova Scotia Company
70 Hannant Court
Milton, ON
L9T 5C1
Canada

Proposal details

This proposal is for an Environmental Compliance Approval with Limited Operational Flexibility (air) which replaces all the current Environmental Compliance Approvals for Air at this facility and includes the addition of new or historically unapproved sources for all emissions from W.R. Meadows of Canada Company and 3006331 Nova Scotia Company that produces asphalt shingles, bagged grouts/patching and cement located in the city of Milton, Ontario.

The application includes all sources at the facility, including Cooling Tower, Building exhausts, storage tanks, dust collectors and comfort heating. Emissions to the air from this facility include:

  • calcium oxide
  • calcium sulfate
  • crystalline silica
  • particulate matter, and
  • portland cement

The Environmental Compliance Approval with Limited Operational Flexibility (air), when issued permits modifications to the facility subject to limits on operational flexibility that include a production limit for the facility to be specified on the Environmental Compliance Approval with Limited Operational Flexibility (air). The Limited Operational Flexibility conditions have an expiry date. The company will be required to make an application for amendment at that time to renew these conditions.

Supporting materials

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Client Services and Permissions Branch
Address

135 St Clair Ave West
1st Floor
Toronto, ON
M4V 1P5
Canada

Office phone number

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